关于螺旋循环循环的证据在连贯的核心的使用拉格朗的方法
Rahul Deogharia1, Hitesh Gupta2, Sourav Sil2
1Ocean Analysis and Modeling Laboratory, School of Earth, Ocean and Climate Sciences, Indian Institute of Technology Bhubaneswar, Khordha, Odisha, 752050, India. rd16@iitbbs.ac.in.
Scientific reports
|May 14, 2024
概括
海洋旋拥有连贯的,形的核心,在保持身份的同时传输属性. 在里面,液体小块遵循螺旋状路径,由于旋罗斯比波,形成上流和下流的模式.
科学领域:
- 海洋学 海洋学 海洋学
- 流体动力学 流体动力学
- 地质物理学 地质物理学
背景情况:
- 海洋旋是连贯和长期存在的特征,可以在很远的距离上传送物质.
- 拉格朗连贯结构 (LCS) 框架捕捉了旋旋转,但3D结构和动态尚未完全理解.
研究的目的:
- 研究海洋的3D结构和内部动力学.
- 为了更好地理解,利用拉格朗的平均旋转率偏差 (LAVD) 方法.
主要方法:
- 在孟加拉湾的高分辨率区域海洋建模系统 (ROMS) 模拟中分析了两个旋风 (旋风和反旋风).
- 应用拉格朗的平均旋转率偏差 (LAVD) 方法来研究动力学.
主要成果:
- 旋呈现3D连贯核心的形状像状的圆,在表面更宽,在底部更窄.
- 动态连贯的核心显示同时上升和下降,在向导过程中保持体积.
- 核心内的流体粒子轨迹是螺旋式的,水平投射显示了上游/下游的螺旋带 (旋罗斯比波).
结论:
- 提出了一个3D螺旋螺旋循环循环模式的概念框架.
- 这项研究有助于更好地理解连贯的结构及其内部动态.
- 持久的物质连贯性使能够有效地保持体积和运输特性.
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